package com.chenmeng.project.t1_cjx.c4_builder;

public abstract class AbstractHouse {
	
	// 打地基
	public abstract void buildBasic();
	// 砌墙
	public abstract void buildWalls();
	// 封顶
	public abstract void roofed();
	
	public void build() {
		buildBasic();
		buildWalls();
		roofed();
	}
}
